EFM32LG330 Datasheet, PDF (26/66 Pages) Silicon Laboratories – High Performance 32-bit processor up to 48 MHz memory Protection Unit

3.9.5 ULFRCO
Preliminary
...the world's most energy friendly microcontrollers
Table 3.13. ULFRCO
Symbol
f_ULFRCO
TC_ULFRCO
VC_ULFRCO
Parameter
Oscillation frequency
Temperature coefficient
Supply voltage coefficient
Condition
25°C, 3V
Min
Typ
Max
Unit
0.8
1.5 kHz
0.05
%/°C
-18.2
%/V
3.10 Analog Digital Converter (ADC)
Table 3.14. ADC
Symbol
Parameter
Condition
Min
Typ
Max
Unit
V_ADCIN
V_ADCREFIN
Input voltage range
Single ended
Differential
Input range of external ref-
erence voltage, single end-
ed and differential
0
-V_REF/2
1.25
V_REF V
V_REF/2 V
V_DD V
V_{ADCREFIN_CH7} Input range of external neg- See V_ADCREFIN
ative reference voltage on
channel 7
0
V_DD - 1.1 V
V_{ADCREFIN_CH6} Input range of external pos- See V_ADCREFIN
itive reference voltage on
channel 6
0.625
V_DD V
V_ADCCMIN
I_ADCIN
CMRR_ADC
Common mode input range
Input current
2pF sampling capacitors
Analog input common
mode rejection ratio
0
<100
65
V_DD V
nA
dB
1 MSamples/s, 12 bit, exter-
nal reference
351
µA
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b00
67
µA
I_ADC
Average active current
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b01
63
µA
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b10
64
µA
I_ADCREF
Current consumption of in- Internal voltage reference
ternal voltage reference
65
µA
C_ADCIN
R_ADCIN
R_ADCFILT
C_ADCFILT
Input capacitance
Input ON resistance
Input RC filter resistance
Input RC filter/decoupling
capacitance
2
1
10
250
pF
MOhm
kOhm
fF
2013-06-28 - EFM32LG330FXX - d0110_Rev1.10
26
www.energymicro.com